| Item Name | Valve Gate |
| Federal Supply Group (FSG) | Valves |
| Federal Supply Class (FSC) | 4820 Valves Nonpowered |
| National Item Identification Number (NIIN) | 00-275-2178 (002752178) |
| NCB Code | USA (00) |
| Manufacturer | Military Specifications |
| MRC | Criteria | Characteristic |
|---|---|---|
| ADSR | BONNET TYPE | OUTSIDE SCREW-YOKE |
| ADST | BONNET ATTACHMENT METHOD | BOLTED |
| AECS | BOLT HOLE QUANTITY | 8 |
| AQLR | VALVE OPERATION METHOD | MANUAL |
| CBBL | FEATURES PROVIDED | BONNET PACKING AND CLEANOUT POCKET |
| CCFG | VALVE SIZE | 3.500 INCHES |
| CRKP | STEM TYPE | RISING |
| CRWH | MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED | 650.0 DEG FAHRENHEIT STEAM |
| CWCF | FACE TO FACE DISTANCE | 8.500 INCHES |
| MATT | MATERIAL | COBALT ALLOY DISK |
| MATT | MATERIAL | COBALT ALLOY SEAT |
| MATT | MATERIAL | COBALT ALLOY STEM |
| MATT | MATERIAL | STEEL BODY |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-R-17131 MIL SPEC SINGLE MATERIAL RESPONSE BODY |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-R-17131 MIL SPEC SINGLE MATERIAL RESPONSE DISK |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | D COMPOSITION AND 150 PSI RATING |
| ZZZW | DEPARTURE FROM CITED DOCUMENT | AS MODIFIED BY TRIM MATERIAL SR-1 SPEC/STD CONTROLLING DATA MFR CODE 81349 NONDEFINITIVE GOVT SPEC/STD REF MIL-V-18110 COMPOSITION D |
| Relevant Components for NSN - 4820-00-275-2178, 4820002752178 | ||||
| 4820-00-405-2314 (4820004052314) | 4820-01-644-7717 (4820016447717) | 4820-00-138-5801 (4820001385801) | 4820-01-478-3615 (4820014783615) | |
| 4810-01-231-9665 (4810012319665) | 4810-01-463-1795 (4810014631795) | 4820-01-270-4213 (4820012704213) | 4820-01-482-5390 (4820014825390) | |
| 4810-01-574-6488 (4810015746488) | 4820-01-375-3688 (4820013753688) | 4810-01-486-6370 (4810014866370) | 4820-01-562-8058 (4820015628058) | |
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